module_gfdlmp_param Module Reference

Functions/Subroutines
subroutine, public	read_gfdlmp_nml (errmsg, errflg, unit, input_nml_file, fn_nml, version, iostat)

Variables
real(kind_phys), public	tau_g2r = 600.
	graupel melting to rain time scale (s)
real(kind_phys), public	tau_g2v = 900.
	graupel sublimation time scale (s)
real(kind_phys), public	tau_v2g = 21600.
	graupel deposition – make it a slow process time scale (s)
real(kind_phys), public	qc_crt = 5.0e-8
	mini condensate mixing ratio to allow partial cloudiness
real(kind_phys), public	qr0_crt = 1.0e-4
	rain to snow or graupel/hail threshold lfo used * mixing ratio * = 1.e-4 (hail in lfo)
real(kind_phys), public	c_piacr = 5.0
	accretion: rain to ice:
real(kind_phys), public	c_cracw = 0.9
	rain accretion efficiency
real(kind_phys), public	alin = 842.0
	"a" in lin1983
real(kind_phys), public	clin = 4.8
	"c" in lin 1983, 4.8 – > 6. (to ehance ql – > qs)
logical, public	fast_sat_adj = .false.
	has fast saturation adjustments
logical, public	use_ccn = .false.
	must be true when prog_ccn is false
logical, public	use_ppm = .false.
	use ppm fall scheme
logical, public	mono_prof = .true.
	perform terminal fall with mono ppm scheme
logical, public	mp_print = .false.
	cloud microphysics debugging printout
logical, public	de_ice = .false.
	to prevent excessive build - up of cloud ice from external sources
logical, public	sedi_transport = .true.
	transport of momentum in sedimentation
real(kind_phys), public	cld_min = 0.05
	(v1/v3) minimum cloud fraction
real(kind_phys), public	t_min = 178.
	(v1/v3) min temp to freeze - dry all water vapor
real(kind_phys), public	t_sub = 184.
	(v1/v3) min temp for sublimation of cloud ice
real(kind_phys), public	mp_time = 150.
	(v1/v3) maximum micro - physics time step (sec)
real(kind_phys), public	rh_inc = 0.25
	(v1/v3) rh increment for complete evaporation of cloud water and cloud ice
real(kind_phys), public	rh_inr = 0.25
	(v1/v3) rh increment for minimum evaporation of rain
real(kind_phys), public	rh_ins = 0.25
	(v1/v3) rh increment for sublimation of snow
real(kind_phys), public	tau_r2g = 900.
	(v1/v3) rain freezing during fast_sat time scale (s)
real(kind_phys), public	tau_smlt = 900.
	(v1/v3) snow melting time scale (s)
real(kind_phys), public	tau_i2s = 1000.
	(v1/v3) cloud ice to snow auto-conversion time scale (s)
real(kind_phys), public	tau_l2r = 900.
	(v1/v3) cloud water to rain auto-conversion time scale (s)
real(kind_phys), public	tau_v2l = 150.
	(v1/v3) water vapor to cloud water (condensation) time scale (s)
real(kind_phys), public	tau_l2v = 300.
	(v1/v3) cloud water to water vapor (evaporation) time scale (s)
real(kind_phys), public	dw_land = 0.20
	(v1/v3) value for subgrid deviation / variability over land
real(kind_phys), public	dw_ocean = 0.10
	(v1/v3) base value for ocean
real(kind_phys), public	ccn_o = 90.
	(v1/v3) ccn over ocean (cm^ - 3)
real(kind_phys), public	ccn_l = 270.
	(v1/v3) ccn over land (cm^ - 3)
real(kind_phys), public	sat_adj0 = 0.90
	(v1/v3) adjustment factor (0: no, 1: full) during fast_sat_adj
real(kind_phys), public	qi_lim = 1.
	(v1/v3) cloud ice limiter (0: no, 1: full, >1: extra) to prevent large ice build up
real(kind_phys), public	ql_mlt = 2.0e-3
	(v1/v3) max value of cloud water allowed from melted cloud ice
real(kind_phys), public	qs_mlt = 1.0e-6
	(v1/v3) max cloud water due to snow melt
real(kind_phys), public	ql_gen = 1.0e-3
	(v1/v3) max cloud water generation during remapping step if fast_sat_adj = .t.
real(kind_phys), public	qi_gen = 1.82e-6
	(v1/v3) max cloud ice generation during remapping step (V1 ONLY. Computed internally in V3)
real(kind_phys), public	ql0_max = 2.0e-3
	(v1/v3) max cloud water value (auto converted to rain)
real(kind_phys), public	qi0_max = 1.0e-4
	(v1/v3) max cloud ice value (by other sources)
real(kind_phys), public	qi0_crt = 1.0e-4
	(v1/v3) cloud ice to snow autoconversion threshold (was 1.e-4); qi0_crt is highly dependent on horizontal resolution
real(kind_phys), public	qs0_crt = 1.0e-3
	(v1/v3) snow to graupel density threshold (0.6e-3 in purdue lin scheme)
real(kind_phys), public	c_paut = 0.55
	(v1/v3) autoconversion cloud water to rain (use 0.5 to reduce autoconversion)
real(kind_phys), public	vi_fac = 1.
	(v1/v3) if const_vi: 1 / 3
real(kind_phys), public	vs_fac = 1.
	(v1/v3) if const_vs: 1.
real(kind_phys), public	vg_fac = 1.
	(v1/v3) if const_vg: 2.
real(kind_phys), public	vr_fac = 1.
	(v1/v3) if const_vr: 4.
real(kind_phys), public	vr_max = 12.
	(v1/v3) max fall speed for rain
real(kind_phys), public	rewmin = 5.0
	(v1/v3) minimum effective radii (liquid)
real(kind_phys), public	reimin = 10.0
	(v1/v3) minimum effective radii (ice)
real(kind_phys), public	reimax = 150.0
	(v1/v3) maximum effective radii (ice)
real(kind_phys), public	rermax = 10000.0
	(v1/v3) maximum effective radii (rain)
real(kind_phys), public	resmin = 150.0
	(v1/v3) minimum effective radii (snow)
real(kind_phys), public	resmax = 10000.0
	(v1/v3) maximum effective radii (snow)
real(kind_phys), public	regmax = 10000.0
	(v1/v3) maximum effective radii (graupel)
logical, public	const_vi = .false.
	(v1/v3) if .t. the constants are specified by v * _fac
logical, public	const_vs = .false.
	(v1/v3) if .t. the constants are specified by v * _fac
logical, public	const_vg = .false.
	(v1/v3) if .t. the constants are specified by v * _fac
logical, public	const_vr = .false.
	(v1/v3) if .t. the constants are specified by v * _fac
logical, public	z_slope_liq = .true.
	(v1/v3) use linear mono slope for autocconversions
logical, public	do_hail = .false.
	(v1/v3) use hail parameters instead of graupel
logical, public	do_qa = .true.
	(v1/v3) do inline cloud fraction
logical, public	rad_snow = .true.
	(v1/v3) consider snow in cloud fraciton calculation
logical, public	rad_graupel = .true.
	(v1/v3) consider graupel in cloud fraction calculation
logical, public	rad_rain = .true.
	(v1/v3) consider rain in cloud fraction calculation
logical, public	do_sedi_heat = .true.
	(v1/v3) transport of heat in sedimentation
logical, public	prog_ccn = .false.
	(v1/v3) do prognostic ccn (yi ming's method)
logical, public	tintqs = .false.
	(v1/v3)
integer, public	icloud_f = 0
	(v1/v3) GFDL cloud scheme 0: subgrid variability based scheme 1: same as 0, but for old fvgfs implementation 2: binary cloud scheme 3: extension of 0
integer, public	irain_f = 0
	(v1/v3) cloud water to rain auto conversion scheme 0: subgrid variability based scheme 1: no subgrid varaibility
real(kind_phys), public	tice = 273.16
	freezing temperature (K): ref: GFDL, GFS (DJS: V3=273.15)
real(kind_phys), public	tau_imlt = 600.
	cloud ice melting time scale (s) (DJS: V3=1200.)
real(kind_phys), public	rthresh = 10.0e-6
	critical cloud drop radius (micro m) (DJS: v3=20.0e-6)
real(kind_phys), public	c_psaci = 0.02
	accretion: cloud ice to snow (was 0.1 in zetac) (DJS: v3=0.05)
real(kind_phys), public	c_pgacs = 2.0e-3
	snow to graupel "accretion" eff. (was 0.1 in zetac) (DJS: v3=0.01)
real(kind_phys), public	vi_max = 0.5
	max fall speed for ice (DJS: v3=1.0)
real(kind_phys), public	vs_max = 5.0
	max fall speed for snow (DJS: v3=2.0)
real(kind_phys), public	vg_max = 8.0
	max fall speed for graupel (DJS: v3=12.0)
real(kind_phys), public	rewmax = 10.0
	maximum effective radii (liquid) (DJS: v3=15.0)
real(kind_phys), public	rermin = 10.0
	minimum effective radii (rain) (DJS: v3=15.0)
real(kind_phys), public	regmin = 300.0
	minimum effective radii (graupel) (DJS: v3=150.0)
logical, public	z_slope_ice = .false.
	use linear mono slope for autocconversions (DJS: v3=.true.)
logical, public	do_sedi_w = .false.
	transport of vertical motion in sedimentation (DJS: v3=.true.)
logical, public	fix_negative = .false.
	fix negative water species (DJS: v3=.true.)
integer, public	reiflag = 1
	cloud ice effective radius scheme (DJS: v3=5) 1: Heymsfield and Mcfarquhar (1996) 2: Donner et al. (1997) 3: Fu (2007) 4: Kristjansson et al. (2000) 5: Wyser (1998) 6: Sun and Rikus (1999), Sun (2001) 7: effective radius
logical, public	const_vw = .false.
	if .ture., the constants are specified by v * _fac
logical, public	do_sedi_uv = .true.
	transport of horizontal momentum in sedimentation
logical, public	do_sedi_melt = .true.
	melt cloud ice, snow, and graupel during sedimentation
logical, public	liq_ice_combine = .false.
	combine all liquid water, combine all solid water
logical, public	snow_grauple_combine = .true.
	combine snow and graupel
logical, public	use_rhc_cevap = .false.
	cap of rh for cloud water evaporation
logical, public	use_rhc_revap = .false.
	cap of rh for rain evaporation
logical, public	do_cld_adj = .false.
	do cloud fraction adjustment
logical, public	do_evap_timescale = .true.
	whether to apply a timescale to evaporation
logical, public	do_cond_timescale = .false.
	whether to apply a timescale to condensation
logical, public	consv_checker = .false.
	turn on energy and water conservation checker
logical, public	do_warm_rain_mp = .false.
	do warm rain cloud microphysics only
logical, public	do_wbf = .false.
	do Wegener Bergeron Findeisen process
logical, public	do_psd_water_fall = .false.
	calculate cloud water terminal velocity based on PSD
logical, public	do_psd_ice_fall = .false.
	calculate cloud ice terminal velocity based on PSD
logical, public	do_psd_water_num = .false.
	calculate cloud water number concentration based on PSD
logical, public	do_psd_ice_num = .false.
	calculate cloud ice number concentration based on PSD
logical, public	do_new_acc_water = .false.
	perform the new accretion for cloud water
logical, public	do_new_acc_ice = .false.
	perform the new accretion for cloud ice
logical, public	cp_heating = .false.
	update temperature based on constant pressure
logical, public	delay_cond_evap = .false.
	do condensation evaporation only at the last time step
logical, public	do_subgrid_proc = .true.
	do temperature sentive high vertical resolution processes
logical, public	fast_fr_mlt = .true.
	do freezing and melting in fast microphysics
logical, public	fast_dep_sub = .true.
	do deposition and sublimation in fast microphysics
integer, public	ntimes = 1
	cloud microphysics sub cycles
integer, public	nconds = 1
	condensation sub cycles
integer, public	inflag = 1
	ice nucleation scheme 1: Hong et al. (2004) 2: Meyers et al. (1992) 3: Meyers et al. (1992) 4: Cooper (1986) 5: Fletcher (1962)
integer, public	igflag = 3
	ice generation scheme 1: WSM6 2: WSM6 with 0 at 0 C 3: WSM6 with 0 at 0 C and fixed value at - 10 C 4: combination of 1 and 3
integer, public	ifflag = 1
	ice fall scheme 1: Deng and Mace (2008) 2: Heymsfield and Donner (1990)
integer, public	rewflag = 1
	cloud water effective radius scheme 1: Martin et al. (1994) 2: Martin et al. (1994), GFDL revision 3: Kiehl et al. (1994) 4: effective radius
integer, public	rerflag = 1
	rain effective radius scheme 1: effective radius
integer, public	resflag = 1
	snow effective radius scheme 1: effective radius
integer, public	regflag = 1
	graupel effective radius scheme 1: effective radius
integer, public	radr_flag = 1
	radar reflectivity for rain 1: Mark Stoelinga (2005) 2: Smith et al. (1975), Tong and Xue (2005) 3: Marshall-Palmer formula (https://en.wikipedia.org/wiki/DBZ_(meteorology))
integer, public	rads_flag = 1
	radar reflectivity for snow 1: Mark Stoelinga (2005) 2: Smith et al. (1975), Tong and Xue (2005) 3: Marshall-Palmer formula (https://en.wikipedia.org/wiki/DBZ_(meteorology))
integer, public	radg_flag = 1
	radar reflectivity for graupel 1: Mark Stoelinga (2005) 2: Smith et al. (1975), Tong and Xue (2005) 3: Marshall-Palmer formula (https://en.wikipedia.org/wiki/DBZ_(meteorology))
integer, public	sedflag = 1
	sedimentation scheme 1: implicit scheme 2: explicit scheme 3: lagrangian scheme 4: combined implicit and lagrangian scheme
integer, public	vdiffflag = 1
	wind difference scheme in accretion 1: Wisner et al. (1972) 2: Mizuno (1990) 3: Murakami (1990)
real(kind_phys), public	c_psacw = 1.0
	cloud water to snow accretion efficiency
real(kind_phys), public	c_pracw = 0.8
	cloud water to rain accretion efficiency
real(kind_phys), public	c_praci = 1.0
	cloud ice to rain accretion efficiency
real(kind_phys), public	c_pgacw = 1.0
	cloud water to graupel accretion efficiency
real(kind_phys), public	c_pgaci = 0.05
	cloud ice to graupel accretion efficiency (was 0.1 in ZETAC)
real(kind_phys), public	c_pracs = 1.0
	snow to rain accretion efficiency
real(kind_phys), public	c_psacr = 1.0
	rain to snow accretion efficiency
real(kind_phys), public	c_pgacr = 1.0
	rain to graupel accretion efficiency
real(kind_phys), public	alinw = 3.e7
	"a" in Lin et al. (1983) for cloud water (Ikawa and Saito 1990)
real(kind_phys), public	alini = 7.e2
	"a" in Lin et al. (1983) for cloud ice (Ikawa and Saita 1990)
real(kind_phys), public	alinr = 842.0
	"a" in Lin et al. (1983) for rain (Liu and Orville 1969)
real(kind_phys), public	alins = 4.8
	"a" in Lin et al. (1983) for snow (straka 2009)
real(kind_phys), public	aling = 1.0
	"a" in Lin et al. (1983), similar to a, but for graupel (Pruppacher and Klett 2010)
real(kind_phys), public	alinh = 1.0
	"a" in Lin et al. (1983), similar to a, but for hail (Pruppacher and Klett 2010)
real(kind_phys), public	blinw = 2.0
	"b" in Lin et al. (1983) for cloud water (Ikawa and Saito 1990)
real(kind_phys), public	blini = 1.0
	"b" in Lin et al. (1983) for cloud ice (Ikawa and Saita 1990)
real(kind_phys), public	blinr = 0.8
	"b" in Lin et al. (1983) for rain (Liu and Orville 1969)
real(kind_phys), public	blins = 0.25
	"b" in Lin et al. (1983) for snow (straka 2009)
real(kind_phys), public	bling = 0.5
	"b" in Lin et al. (1983), similar to b, but for graupel (Pruppacher and Klett 2010)
real(kind_phys), public	blinh = 0.5
	"b" in Lin et al. (1983), similar to b, but for hail (Pruppacher and Klett 2010)
real(kind_phys), public	vw_fac = 1.0
real(kind_phys), public	vw_max = 0.01
	maximum fall speed for cloud water (m/s)
real(kind_phys), public	tice_mlt = 273.16
	can set ice melting temperature to 268 based on observation (Kay et al. 2016) (K)
real(kind_phys), public	tau_gmlt = 600.0
	graupel melting time scale (s)
real(kind_phys), public	tau_wbf = 300.0
	graupel melting time scale (s)
real(kind_phys), public	tau_revp = 0.0
	rain evaporation time scale (s)
real(kind_phys), public	is_fac = 0.2
	cloud ice sublimation temperature factor
real(kind_phys), public	ss_fac = 0.2
	snow sublimation temperature factor
real(kind_phys), public	gs_fac = 0.2
	graupel sublimation temperature factor
real(kind_phys), public	rh_fac_evap = 10.0
	cloud water evaporation relative humidity factor
real(kind_phys), public	rh_fac_cond = 10.0
	cloud water condensation relative humidity factor
real(kind_phys), public	sed_fac = 1.0
	coefficient for sedimentation fall, scale from 1.0 (implicit) to 0.0 (lagrangian)
real(kind_phys), public	xr_a = 0.25
	p value in Xu and Randall (1996)
real(kind_phys), public	xr_b = 100.0
	alpha_0 value in Xu and Randall (1996)
real(kind_phys), public	xr_c = 0.49
	gamma value in Xu and Randall (1996)
real(kind_phys), public	te_err = 1.e-5
	64bit: 1.e-14, 32bit: 1.e-7; turn off to save computer time
real(kind_phys), public	tw_err = 1.e-8
	64bit: 1.e-14, 32bit: 1.e-7; turn off to save computer time
real(kind_phys), public	rh_thres = 0.75
	minimum relative humidity for cloud fraction
real(kind_phys), public	rhc_cevap = 0.85
	maximum relative humidity for cloud water evaporation
real(kind_phys), public	rhc_revap = 0.85
	maximum relative humidity for rain evaporation
real(kind_phys), public	f_dq_p = 1.0
	cloud fraction adjustment for supersaturation
real(kind_phys), public	f_dq_m = 1.0
	cloud fraction adjustment for undersaturation
real(kind_phys), public	fi2s_fac = 1.0
	maximum sink of cloud ice to form snow: 0-1
real(kind_phys), public	fi2g_fac = 1.0
	maximum sink of cloud ice to form graupel: 0-1
real(kind_phys), public	fs2g_fac = 1.0
	maximum sink of snow to form graupel: 0-1
real(kind_phys), public	n0w_sig = 1.1
	intercept parameter (significand) of cloud water (Lin et al. 1983) (1/m^4) (Martin et al. 1994)
real(kind_phys), public	n0i_sig = 1.3
	intercept parameter (significand) of cloud ice (Lin et al. 1983) (1/m^4) (McFarquhar et al. 2015)
real(kind_phys), public	n0r_sig = 8.0
	intercept parameter (significand) of rain (Lin et al. 1983) (1/m^4) (Marshall and Palmer 1948)
real(kind_phys), public	n0s_sig = 3.0
	intercept parameter (significand) of snow (Lin et al. 1983) (1/m^4) (Gunn and Marshall 1958)
real(kind_phys), public	n0g_sig = 4.0
	intercept parameter (significand) of graupel (Rutledge and Hobbs 1984) (1/m^4) (Houze et al. 1979)
real(kind_phys), public	n0h_sig = 4.0
	intercept parameter (significand) of hail (Lin et al. 1983) (1/m^4) (Federer and Waldvogel 1975)
real(kind_phys), public	n0w_exp = 41
	intercept parameter (exponent) of cloud water (Lin et al. 1983) (1/m^4) (Martin et al. 1994)
real(kind_phys), public	n0i_exp = 18
	intercept parameter (exponent) of cloud ice (Lin et al. 1983) (1/m^4) (McFarquhar et al. 2015)
real(kind_phys), public	n0r_exp = 6
	intercept parameter (exponent) of rain (Lin et al. 1983) (1/m^4) (Marshall and Palmer 1948)
real(kind_phys), public	n0s_exp = 6
	intercept parameter (exponent) of snow (Lin et al. 1983) (1/m^4) (Gunn and Marshall 1958)
real(kind_phys), public	n0g_exp = 6
	intercept parameter (exponent) of graupel (Rutledge and Hobbs 1984) (1/m^4) (Houze et al. 1979)
real(kind_phys), public	n0h_exp = 4
	intercept parameter (exponent) of hail (Lin et al. 1983) (1/m^4) (Federer and Waldvogel 1975)
real(kind_phys), public	muw = 6.0
	shape parameter of cloud water in Gamma distribution (Martin et al. 1994)
real(kind_phys), public	mui = 3.35
	shape parameter of cloud ice in Gamma distribution (McFarquhar et al. 2015)
real(kind_phys), public	mur = 1.0
	shape parameter of rain in Gamma distribution (Marshall and Palmer 1948)
real(kind_phys), public	mus = 1.0
	shape parameter of snow in Gamma distribution (Gunn and Marshall 1958)
real(kind_phys), public	mug = 1.0
	shape parameter of graupel in Gamma distribution (Houze et al. 1979)
real(kind_phys), public	muh = 1.0
	shape parameter of hail in Gamma distribution (Federer and Waldvogel 1975)
real(kind_phys), public	beta = 1.22
	defined in Heymsfield and Mcfarquhar (1996)
real(kind_phys), public	rewfac = 1.0
	this is a tuning parameter to compromise the inconsistency between GFDL MP's PSD and cloud water radiative property's PSD assumption. after the cloud water radiative property's PSD is rebuilt, this parameter should be 1.0.
real(kind_phys), public	reifac = 1.0
	this is a tuning parameter to compromise the inconsistency between GFDL MP's PSD and cloud ice radiative property's PSD assumption. after the cloud ice radiative property's PSD is rebuilt, this parameter should be 1.0.